It’s called a Stingray: A cellphone surveillance device so top secret, law enforcement agencies don’t even like to admit they have it. But KPIX 5 has confirmed Oakland, San Francisco and San Jose police are using Stingrays to track suspects.

Voters in the South Bay are deciding between incumbent Mike Honda and challenger Ro Khanna, both Democrats, in one of the nation’s most intriguing House races. In early returns, Honda is leading with 53.5 percent of the votes cast, while Khanna has 46.5 percent.

Interstate 880 in Fremont was closed for almost two hours Thursday as authorities searched for a man that they said had a gun. Before he was spotted near the freeway, patrons at a nearby Starbucks said he showed up with blood on his hands and ordered a drink.